2c blue postal stationery card (H&G 2) datelined 'Oruro 11 Mai 1898' used with added 1897 2c vermilion 'Portrait' issue (SG 78) tied by superb strike of undated oval 'CORREO AMBULANTE BOLIVIA' cancel in purple. Addressed to GERMANY with UYUNI and ANTOFAGASTA transit cds's on reverse and BUENOS AIRES, ARGENTINA & VALPARAISO, CHILE transit cds's on front along with German arrival cds. Very fine & rare.